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better way to select process and better error info. close #445

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This commit is contained in:
hengyunabc 2019-02-13 20:52:48 +08:00
parent f6d2c9eb7c
commit 1cec77997f
3 changed files with 21 additions and 12 deletions
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8
bin/as.sh
View File

@ -635,14 +635,14 @@ parse_arguments()
# check the process already using telnet port if equals to target pid
if [[ ($telnetPortPid) && ($TARGET_PID != $telnetPortPid) ]]; then
echo "[ERROR] Target process $TARGET_PID is not the process using port $TELNET_PORT, you will connect to an unexpected process."
echo "[ERROR] If you still want to attach target process $TARGET_PID, Try to set a different telnet port by using --telnet-port argument."
echo "[ERROR] Or try to shutdown the process $telnetPortPid using the telnet port first."
echo "[ERROR] 1. Try to restart as.sh, select process $telnetPortPid, shutdown it first."
echo "[ERROR] 2. Try to use different telnet port, for example: as.sh --telnet-port 9998 --http-port -1"
exit 1
fi
if [[ ($httpPortPid) && ($TARGET_PID != $httpPortPid) ]]; then
echo "Target process $TARGET_PID is not the process using port $HTTP_PORT, you will connect to an unexpected process."
echo "If you still want to attach target process $TARGET_PID, Try to set a different telnet port by using --telnet-port argument."
echo "Or try to shutdown the process $httpPortPid using the telnet port first."
echo "1. Try to restart as.sh, select process $httpPortPid, shutdown it first."
echo "2. Try to use different http port, for example: as.sh --telnet-port 9998 --http-port 9999"
exit 1
fi
elif [ -z ${TARGET_PID} ]; then

14
boot/src/main/java/com/taobao/arthas/boot/Bootstrap.java
View File

@ -271,7 +271,7 @@ public class Bootstrap {
// select pid
if (pid < 0) {
try {
pid = ProcessUtils.select(bootstrap.isVerbose());
pid = ProcessUtils.select(bootstrap.isVerbose(), telnetPortPid);
} catch (InputMismatchException e) {
System.out.println("Please input an integer to select pid.");
System.exit(1);
@ -285,18 +285,18 @@ public class Bootstrap {
if (telnetPortPid > 0 && pid != telnetPortPid) {
AnsiLog.error("Target process {} is not the process using port {}, you will connect to an unexpected process.",
pid, bootstrap.getTelnetPort());
AnsiLog.error("If you still want to attach target process {}, Try to set a different telnet port by using --telnet-port argument.",
pid);
AnsiLog.error("Or try to shutdown the process {} using the telnet port first.", telnetPortPid);
AnsiLog.error("1. Try to restart arthas-boot, select process {}, shutdown it first.",
telnetPortPid);
AnsiLog.error("2. Or try to use different telnet port, for example: java -jar arthas-boot.jar --telnet-port 9998 --http-port -1");
System.exit(1);
}
if (httpPortPid > 0 && pid != httpPortPid) {
AnsiLog.error("Target process {} is not the process using port {}, you will connect to an unexpected process.",
pid, bootstrap.getHttpPort());
AnsiLog.error("If you still want to attach target process {}, Try to set a different http port by using --http-port argument.",
pid);
AnsiLog.error("Or try to shutdown the process {} using the http port first.", httpPortPid);
AnsiLog.error("1. Try to restart arthas-boot, select process {}, shutdown it first.",
httpPortPid);
AnsiLog.error("2. Or try to use different http port, for example: java -jar arthas-boot.jar --telnet-port 9998 --http-port 9999", httpPortPid);
System.exit(1);
}

11
boot/src/main/java/com/taobao/arthas/boot/ProcessUtils.java
View File

@ -47,8 +47,17 @@ public class ProcessUtils {
}
@SuppressWarnings("resource")
public static int select(boolean v) throws InputMismatchException {
public static int select(boolean v, int telnetPortPid) throws InputMismatchException {
Map<Integer, String> processMap = listProcessByJps(v);
// Put the port that is already listening at the first
if (telnetPortPid > 0 && processMap.containsKey(telnetPortPid)) {
String telnetPortProcess = processMap.get(telnetPortPid);
processMap.remove(telnetPortPid);
Map<Integer, String> newProcessMap = new LinkedHashMap<Integer, String>();
newProcessMap.put(telnetPortPid, telnetPortProcess);
newProcessMap.putAll(processMap);
processMap = newProcessMap;
}
if (processMap.isEmpty()) {
AnsiLog.info("Can not find java process. Try to pass <pid> in command line.");